Nathaniel Bayer, M.D.
NPI 1508246265 · Hospitalist Physician · Rochester, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Bayer, M.D. is a Hospitalist Physician provider in Rochester, NY (NPI 1508246265).
Provider details
- NPI number
- 1508246265
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MT208119 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 3401 Civic Center BlvdChildren'S Hosp of Philadelphia, 9nw, Room 55Philadelphia, PA 19104-4319Phone: (215) 590-1220
Registry dates
- Enumerated
- 2015-06-08
- Last updated
- 2023-06-30
Frequently asked questions
- What is Nathaniel Bayer's NPI number?
- Nathaniel Bayer's National Provider Identifier (NPI) is 1508246265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Bayer's specialty?
- Nathaniel Bayer is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Bayer located?
- Nathaniel Bayer's practice location on file with NPPES is 601 Elmwood Ave, Rochester, NY 14642.
- What is Nathaniel Bayer's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Bayer is (585) 276-4113.
- Does Nathaniel Bayer accept Medicare?
- Nathaniel Bayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Bayer's NPI active?
- Yes — Nathaniel Bayer's NPI (1508246265) is active in the NPPES registry as of the last update on 2023-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.